🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 8.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.73 AU

Year: 337 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,043,301 km

• M1: 105,766 km (0.089 R)
• M2: 406,308 km (0.102 R)
• M3: 709,393 km (0.049 R)
• M4: 1,199,177 km (0.109 R)
• M5: 2,026,902 km (0.057 R)
• M6: 2,406,282 km (0.101 R)
• M7: 2,691,415 km (0.083 R)
• M8: 3,287,563 km (0.073 R)
• M9: 3,639,866 km (0.098 R)
• M10: 3,944,746 km (0.109 R)
• M11: 4,228,533 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 8.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.9 AU - 1.22 AU

Year: 753 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,043,301 km

• M1: 109,506 km (0.088 R)
• M2: 395,088 km (0.116 R)
• M3: 730,337 km (0.071 R)
• M4: 1,155,793 km (0.076 R)
• M5: 1,434,344 km (0.079 R)
• M6: 1,766,751 km (0.111 R)
• M7: 2,044,853 km (0.115 R)
• M8: 2,556,478 km (0.119 R)
• M9: 3,025,019 km (0.083 R)
• M10: 3,790,960 km (0.068 R)
• M11: 4,630,503 km (0.103 R)
• M12: 4,953,634 km (0.118 R)
• M13: 5,569,828 km (0.117 R)
• M14: 7,198,500 km (0.102 R)
• M15: 7,845,361 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 8.4

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.14 AU - 1.76 AU

Year: 1205 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,043,301 km

• M1: 119,230 km (0.08 R)
• M2: 388,954 km (0.043 R)
• M3: 759,508 km (0.079 R)
• M4: 1,098,946 km (0.117 R)
• M5: 1,964,070 km (0.081 R)
• M6: 3,136,768 km (0.089 R)
• M7: 3,437,310 km (0.11 R)
• M8: 3,958,360 km (0.106 R)
• M9: 4,456,670 km (0.076 R)
• M10: 4,818,099 km (0.115 R)
• M11: 5,157,985 km (0.093 R)
• M12: 5,797,067 km (0.071 R)
• M13: 6,251,545 km (0.106 R)
• M14: 6,535,632 km (0.027 R)
• M15: 7,651,781 km (0.104 R)
• M16: 8,890,153 km (0.068 R)
• M17: 9,341,340 km (0.116 R)
• M18: 9,713,240 km (0.119 R)
• M19: 10,095,014 km (0.1 R)
• M20: 12,339,730 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 12

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.46 AU - 1.92 AU

Year: 1516 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,043,301 km

• M1: 149,299 km (0.107 R)
• M2: 623,674 km (0.113 R)
• M3: 1,091,466 km (0.064 R)
• M4: 1,765,404 km (0.1 R)
• M5: 2,145,383 km (0.105 R)
• M6: 2,607,192 km (0.085 R)
• M7: 3,000,484 km (0.089 R)
• M8: 3,433,720 km (0.102 R)
• M9: 4,524,887 km (0.103 R)
• M10: 5,857,505 km (0.098 R)
• M11: 6,899,155 km (0.103 R)
• M12: 7,381,757 km (0.072 R)
• M13: 7,801,080 km (0.026 R)
• M14: 8,414,880 km (0.077 R)
• M15: 9,187,254 km (0.07 R)
• M16: 10,555,925 km (0.09 R)
• M17: 11,270,853 km (0.08 R)
• M18: 12,325,817 km (0.032 R)
• M19: 13,404,418 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.4

Radius: 7.5

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.06 AU - 8.96 AU

Year: 14206 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,043,301 km

• M1: 93,648 km (0.114 R)
• M2: 350,508 km (0.083 R)
• M3: 584,778 km (0.083 R)
• M4: 1,016,368 km (0.061 R)
• M5: 1,297,762 km (0.108 R)
• M6: 1,949,111 km (0.109 R)
• M7: 2,800,921 km (0.084 R)
• M8: 3,414,123 km (0.063 R)
• M9: 3,995,759 km (0.102 R)
• M10: 4,481,803 km (0.095 R)
• M11: 7,083,609 km (0.09 R)
• M12: 8,505,237 km (0.086 R)
• M13: 9,001,902 km (0.099 R)
• M14: 9,944,369 km (0.101 R)
• M15: 11,009,057 km (0.112 R)
• M16: 12,334,344 km (0.091 R)
• M17: 15,662,897 km (0.03 R)
• M18: 16,945,100 km (0.083 R)
• M19: 17,651,502 km (0.1 R)
• M20: 18,789,193 km (0.055 R)
• M21: 19,546,009 km (0.105 R)
• M22: 20,586,313 km (0.111 R)
• M23: 21,120,078 km (0.107 R)
• M24: 21,481,057 km (0.074 R)
• M25: 23,348,039 km (0.081 R)
• M26: 24,518,642 km (0.042 R)
• M27: 25,320,487 km (0.11 R)
• M28: 27,831,038 km (0.117 R)
• M29: 29,369,652 km (0.084 R)
• M30: 30,617,598 km (0.112 R)
• M31: 32,137,811 km (0.112 R)
• M32: 36,608,843 km (0.114 R)
• M33: 41,336,734 km (0.114 R)
• M34: 43,627,526 km (0.049 R)
• M35: 51,330,021 km (0.078 R)
• M36: 60,433,052 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.6

Radius: 3.3

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.78 AU - 9.86 AU

Year: 21241 Days

Day: 21.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,043,301 km

• M1: 41,139 km (0.116 R)
• M2: 223,350 km (0.106 R)
• M3: 548,276 km (0.095 R)
• M4: 724,203 km (0.116 R)
• M5: 979,268 km (0.064 R)
• M6: 2,456,995 km (0.078 R)
• M7: 2,754,246 km (0.06 R)
• M8: 3,497,149 km (0.052 R)
• M9: 4,994,923 km (0.096 R)
• M10: 5,400,932 km (0.062 R)
• M11: 6,201,879 km (0.116 R)
• M12: 7,766,373 km (0.111 R)
• M13: 9,884,829 km (0.103 R)
• M14: 10,852,428 km (0.045 R)
• M15: 15,008,706 km (0.049 R)
• M16: 15,708,076 km (0.107 R)
• M17: 20,535,150 km (0.11 R)
• M18: 21,135,337 km (0.087 R)
• M19: 21,835,455 km (0.064 R)
• M20: 24,312,646 km (0.096 R)
• M21: 24,598,976 km (0.06 R)
• M22: 28,107,046 km (0.116 R)
• M23: 28,316,932 km (0.098 R)
• M24: 28,528,015 km (0.081 R)
• M25: 31,706,670 km (0.067 R)
• M26: 32,162,794 km (0.099 R)
• M27: 40,201,286 km (0.115 R)
• M28: 42,642,873 km (0.057 R)
• M29: 45,325,312 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 18,468 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit